Remove "screen stays on" workaround, see issue #135 on GitHub.Also, thanks for sticking around for so long, Heads-up is over 5 years old now!
Updated text in the accessibility service used on ancient Android versions to ensure this app is compliant with Google Play policies,disabled it completely on non-ancient devices. This update also contains some changes to ensure the app works on the latest Android versions.PS: Even though I said I won't update the app anymore, the "simple light" theme just got Android Oreo styling.